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601XL - Jabiru 3300 - Fuel Pump

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johnd(at)data-tech.com
Guest

Posted: Tue Jul 31, 2007 7:20 am Post subject: 601XL - Jabiru 3300 - Fuel Pump

I finally got my Jabiru 3300 and am thinking about the fuel system. I'm 

planning on using the Zenith supplied andair fuel selector and 

gascolator. I'm wondering if it makes sense to keep the facet fuel pump 

in the cabin or mount it to the firewall ? Zenith seems to recommend the 

cabin but I note that William Winn seems to mount his fuel pumps on the 

engine side of the firewall. I will also be installing a fuel flow 

sensor on the firewall for my Dynon D180.



Any thoughts as to whats best ?



Thanks,

John Davis

Burnsville, NC

601XL - Jabiru 3300

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japhillipsga(at)aol.com
Guest

Posted: Tue Jul 31, 2007 10:03 am Post subject: 601XL - Jabiru 3300 - Fuel Pump

John, I also have a Jab 3300. Read in the installation manual. Somewhere it specfiies that the pump is heat sensitive and not to mount it on the firewall. I mounted on the floor forward of the rudder pedals. Seems to be doing ok over the last 113 hours. Best regards, Bill

 

 

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Ron Lendon

Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI

Posted: Tue Jul 31, 2007 7:00 pm Post subject: Re: 601XL - Jabiru 3300 - Fuel Pump

The reason for putting the fuel pump on the engine side of the firewall is so no pressurized fuel is in the cockpit.



William has some pretty bad burn scars from being in a burning cockpit with pressurized fuel.

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_________________
Ron Lendon
WW Corvair with Roy's Garage 5th bearing
CH 601 XLB
N601LT - Flying
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joe(at)kfiz.com
Guest

Posted: Wed Aug 01, 2007 7:02 am Post subject: 601XL - Jabiru 3300 - Fuel Pump

John,



I mounted my fuel pump on the engine side of my firewall for 3 reasons with 

the direction of my tech counselor who is an AI. Mounting it on the floor 

near the rudder pedals may cause a hit with the passenger's foot. I like the 

thought of all high pressure hoses outside of the fuselage in case of a 

leak. I am using sound deadener in the fuselage to try to make a very quiet 

airplane. If the fuel pump makes any noise (I haven't heard it operate yet) 

you won't be able to hear it in the cockpit. I have had a few vans in my 

life with electric pumps in the tanks and I could hear those pumps while 

driving. These are just personal changes and I'm sure the pump will work 

fine in either place.



Joe in Oshkosh

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pete(at)usjabiru.com
Guest

Posted: Wed Aug 01, 2007 7:17 am Post subject: 601XL - Jabiru 3300 - Fuel Pump

John,



The pump will work in either place but may be less likely to vapor lock if

inside the cabin.



Pete



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n787xl(at)aol.com
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Posted: Wed Aug 01, 2007 7:26 am Post subject: 601XL - Jabiru 3300 - Fuel Pump

List

 

 Think fuel temperature, the fuel pump mounted inside the cockpit will deliver fuel to the engine at approximately the temperature of the cockpit, hench not nearly as likely to vapor lock.  If mounted inside the engine compartment the fuel will be somewhat warmer.

 

 I mounted mine in the cockpit near the fuel exit fitting and  on a Z shaped bracket that lowers the noise transmitted by a rigid mount. 

 

 You would have to have a long legged passenger to ever hit it.  Just something to think about.   My RV6 has a rigid mount and more than enough noise, even hear it over the O-360 without a muffler.

 

 JS

 

 601Xl hope to finish this year.

 

   

 

   

 

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Gig Giacona

Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA

Posted: Wed Aug 01, 2007 8:43 am Post subject: Re: 601XL - Jabiru 3300 - Fuel Pump

It hasn't been mentioned but in the most recent WW installation manual the fuel pumps aren't just mounted on the engine side of the firewall. They are inside a vented box.



I intend to also add some heat shielding as well.

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601XL Under Construction
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